An outbreak of pneumonic plague in an urban Native location in the Orange Free State is descriptionbed. Nine cases occurred in the location and two in a subsidiary outbreak on a farm. The administrative measures which were taken to control the outbreak consisted of the enforcement of quarantine and the giving of live avirulent vaccine. Concentrated serum was also given as a prophylactic measure to close contacts. Antirodent work was carried out in the affected areas. The use of serum as a preventive measure is discussed. A case of proved pneumonic plague in which recovery occurred is descriptionbed.
A case of pIasmocytosis of the marrow associated with carcinomatosis is descriptionbed in detail. Notes on the literature concerning the history, histology, embryology, functions and occurrence of the plasma cell are given.